Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Corona experiences its lowest average temperatures in December, reaching a peak of 63.5°F (17.5°C) and a minimum of 46.9°F (8.3°C).Humidity
The average relative humidity in December in Corona is 53%.Rainfall
December is the month with the most rainfall in Corona. Rain falls for 6.5 days and accumulates 1.89" (48mm) of precipitation.Daylight
The month with the shortest days in Corona is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:41 pm. On the last day of December, in Corona, sunrise is at 6:55 am and sunset at 4:52 pm PST.
Sunshine
December has the least sunshine of the year in Corona, California, with an average of 6.7h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during December translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the coldest time of year in Corona?
What are the temperatures in Corona in December?
What is the average humidity in December in Corona?
What is the wettest month in Corona?
How much does it rain in Corona in December?
What is the month with the shortest days in Corona?
What is the average length of the day in December in Corona?
When are sunrise and sunset in December in Corona?
What is the month with the least sunshine in Corona?
How long on average sun shines in December in Corona?
When is the lowest UV index in Corona?
What is the UV index reading in December in Corona?
Average temperature in December
Corona, CA
- Average high temperature in December: 63.5°F
The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in December: 46.9°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).
Average pressure in December
Corona, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Corona, CA
- Average wind speed in December: 4.9mph
The windiest months (with the highest average wind speed) are April and May (5.4mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in December
Corona, CA
- Average humidity in December: 53%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is November (48%).
Average rainfall in December
Corona, CA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Corona, CA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.3 days).
Average daylight in December /
Average sunshine in December
Corona, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Corona, CA
- Average sunshine days in December: 23 days
The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in December
Corona, CA
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Corona, CA
- Average cloud cover in December: 23
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Corona, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Corona, California, USA
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